CN108439566A - A kind of mine system engineering flocculant and preparation method thereof - Google Patents
A kind of mine system engineering flocculant and preparation method thereof Download PDFInfo
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- CN108439566A CN108439566A CN201810303964.1A CN201810303964A CN108439566A CN 108439566 A CN108439566 A CN 108439566A CN 201810303964 A CN201810303964 A CN 201810303964A CN 108439566 A CN108439566 A CN 108439566A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention belongs to sewage disposal processing technique field, specifically a kind of mine system engineering flocculation agent and preparation method thereof.Each constituent of the flocculant and its weight part ratio are：20 ~ 30 parts of butyl xanthates, 50 ~ 60 parts of melamines, 25 ~ 35 parts of ferrous sulfate, 20 ~ 25 parts of bentonites, 10 ~ 15 parts of Dry Flo PCs, 12 ~ 18 parts of polyvinylpyrrolidones, 10 ~ 16 parts of itaconic acid copolymers, 8 ~ 10 parts of fungicide, 100 ~ 150 parts of deionized waters.The mine system engineering preparation method of the present invention is first to be modified to melamine, then be mixed with to obtain the product of the present invention with other raw materials.The flocculant is nontoxic, and the flocculating setting time is short, high treating effect, and stability is high, will not cause secondary pollution.
Description
Technical field
The invention belongs to sewage disposal processing technique field, specifically a kind of mine system engineering flocculation agent and its preparation side
Method.
Background technology
With the development of the social economy, people increasingly increase the exploitation of mineral resources.Due to not conforming to mine resources
The exploitation of reason causes to cause a degree of destruction, mine system engineering to ecological environment around mine to be primary pollution source therein
One of.Mine system engineering is the various waste water generated during mining, have natural lixiviation water in mine, beneficiation wastewater,
The leaching water etc. of rejects overflow water and slag stack-up-yard.In mine wastewater main pollutant component include organic pollution,
Oil pollutant, soda acid pollutant, cyanide, heavy metal contaminants and solubility salt etc..Mine system engineering have discharge capacity it is big,
The features such as, turbidity more containing mud is high, complicated component and water quality are unstable, it is unable to direct circulation utilization, if being discharged into river, lake
In, water quality will be caused to change, kill or suppress growth of microorganism, interfere the self-purification of water, the heavy metal ion that sewage contains
Soil can be also poisoned, Plant death is caused.During mining, the pollution control of mine wastewater is to have to asking for consideration
Topic.
There are neutralisation, coagulation sedimentation, microbial method, artificial swamp method etc. to mine system engineering processing method at present.(1) in
And method.Neutralisation is to put into alkali nertralizer in oxytropism waste water, changes the pH value of waste water using acid-base neutralization reaction, and makes a huge sum of money
Belong to reacting with hydroxide ion and generate the heavy metal hydroxide of indissoluble, to have the function that removal.Neutralisation processing
It is simple for process, it is easy to operate, but easily fouling, precipitating sludge amount are greatly, easily cause secondary pollution.(2) flocculation sedimentation.Flocculation is heavy
Drop method is that flocculant is put into waste water to destroy the stability of colloid, and coacervation is settled at bulky grain to the metal in sewage
The pollutant removals such as ion.(3) bioanalysis.Bioanalysis is by phase between biologic artifact or its metabolite and metal ion
Interaction achievees the purpose that purification.Microbial method treated sewage is adaptable, at low cost, non-secondary pollution.(4) artificial swamp
Method is Artificial Simulated Ecosystem, and the purification to sewage is realized using the method for ecology.Artificial swamp small investment, treatment effect
Good, expense is low, but takes up a large area, larger by such environmental effects.
Flocculant is a kind of most common method in water technology.Flocculant is mainly with just（It is negative) electrical base
It carries and is born (just in group and water）Electrical some particles for being difficult to detach or particle are close to each other, reduce its potential, make at its
In unstable state, and using its aggregation property these particles are concentrated, and are separated by physics or chemical method,
To reach the requirement of discharge.
Chinese patent 201210192293.9 discloses a kind of flocculant of sewage disposal.The flocculant material composition packet
It includes：Starch, polyacrylamide, sodium hypochlorite, sodium carboxymethylcellulose, sodium metasilicate, potassium peroxydisulfate, sodium sulfite and water.Then
Raw material is by the product that is combined.The flocculant made from the invention has environmentally protective, at low cost and adding less, wadding
Solidifying speed is fast, and sludge is few；The advantages that easy to use, safe.
Chinese patent 201410348354.5 discloses a kind of level-one materialization intensive treatment coagulant of chemical engineering sewage, the wadding
Solidifying agent is made of the raw material of following weight：Ferric sulfate 10-18kg, polymer aluminium silicate 8-12kg, sodium lignin sulfonate 4-9kg, carbon
Nanotube 3-7kg, nano zine oxide 5-8kg, activated carbon fibre 3-6kg, polyvinyl alcohol 2-5kg, organo montmorillonite 2-5kg, phenol
Urea formaldehyde 3-8kg, rapeseed oil 1-4kg, gas-produced black 1.5-3kg, propolis 0.5-2kg, calcium stearate 2-5kg, iron powder 8-12kg.
The invention utilizes carbon nanotube, nano zine oxide, activated carbon fibre and other a variety of materialization reagent Combined Treatment chemical engineering sewages.
Chinese patent 201610462430.4 discloses a kind of sewage flocculant and preparation method thereof, the sewage flocculant by
The raw material of following weight parts is made：1~5 part of sodium metasilicate, 1~5 part of magnesium chloride, 5~10 parts of ethyl alcohol, 1~5 part of polyacrylamide,
1~5 part of titanium tetrachloride, 0.1~0.5 part of diatomite, 1~5 part of aluminum sulfate, 10~20 parts of water, 0.1~0.5 part of hydrochloric acid.The sewage
The preparation method of flocculant, steps are as follows：1) sodium metasilicate is proportionally mixed with magnesium chloride, it is equal that ethyl alcohol stirring is then added
It is even；2) polyacrylamide, titanium tetrachloride, diatomite and aluminum sulfate co-grinding are added water uniformly mixed at powdered；3) will
The product mixing that step 1) and step 2) obtain, while being continuously added hydrochloric acid and stirring evenly.The flocculant of the invention matches
Science is prepared simply, easy to use, organic pollution and suspended matter in water can be effectively removed, to promote water process energy
Power improves the quality of processing water.
The flocculant for being used for sewage disposal in the prior art has certain clean-up effect to sewage, but can have processing
Effect is general, and usage amount is big, and settling velocity is slow, generates secondary pollution problems, or even can cause environmental pollution and to human body
Health causes damages.
Invention content
The present invention provides a kind of mine system engineering flocculants and preparation method thereof, and the flocculant is nontoxic, flocculating setting
Time is short, high treating effect, and stability is high, will not cause secondary pollution.
The scheme of the invention is realize in this way：A kind of mine system engineering flocculant, each constituent of the flocculant and
Its weight part ratio is：20 ~ 30 parts of butyl xanthates, 50 ~ 60 parts of modified cyanurotriamides, 25 ~ 35 parts of ferrous sulfate, 20 ~ 25 parts it is swollen
Moisten soil, 10 ~ 15 parts of Dry Flo PCs, 12 ~ 18 parts of polyvinylpyrrolidones, 10 ~ 16 parts of itaconic acid copolymers, 8 ~ 10
Part fungicide, 100 ~ 150 parts of deionized waters.
As further limiting for the present invention, the fungicide is BK fungicide, BIT fungicide according to 1:1 ratio
Volume mixes.
A method of mine system engineering flocculant being prepared, preparation method step includes：
The preparation of step 1) modified cyanurotriamide：50 ~ 60 parts of melamines are divided into the trimerization that 3 parts of parts by weight are 18 ~ 20 parts
Cyanamide；Then 5 ~ 6 parts of formaldehyde and 20 ~ 30 parts of ethylene glycol are added in three-necked flask, pH is adjusted to 8, while stirring with triethanolamine
It mixes side and is warming up to 60 ~ 65 DEG C, 18 ~ 20 parts of melamines are then first added, be warming up to 75 ~ 80 DEG C, react 35 ~ 40min, add
18 ~ 20 parts of melamines, continue to react, and react 60 ~ 70min, add 18 ~ 20 parts of melamines, isothermal reaction to water
When number is 3.0,10% caprolactam is added, reacts 8 ~ 10min, is cooled to 60 ~ 65 DEG C, is slowly added to 5%H2O2, and continue with three
Ethanol amine adjusts pH value to 8；Waiting for H2O2, the reaction was complete（Bubble-free generates i.e. in reaction solution）When, stop reaction, be cooled to 40 DEG C,
45 ~ 50 parts of aluminium polychlorides are added into reaction solution, are stirred reaction, up to modified cyanurotriamide after drying followed by aging；
Step 2) hybrid reaction：Take 20 ~ 30 parts of butyl xanthates, 50 ~ 60 parts of modified cyanurotriamides, 25 ~ 35 parts of ferrous sulfate, 20 ~
25 parts of bentonites, 10 ~ 15 parts of Dry Flo PCs, 12 ~ 18 parts of polyvinylpyrrolidones, 10 ~ 16 parts of itaconic acid copolymerization
Object is added in 100 ~ 150 parts of deionized waters, is mixed evenly, and mixing speed is 200 ~ 300r/min, is spray-dried
Fungicide is added afterwards to be uniformly mixed up to mine system engineering flocculant.
The technical principle that the present invention realizes is：
Butyl xanthate contains nonpolar base and polar group, and butyl xanthate, which is added, in flocculant can capture the Cu in sewage2+、
Zn2+、Ni2+Deng cation and tend to bonding and generate the butyl xanthate of indissoluble, to remove the heavy metal in sewage from
Son, butyl xanthate can be used in room temperature and within the scope of very wide pH, and use scope is wide, and use condition is wide.
The flocculation of enhancing melamine is modified to melamine.Preparation three is modified to melamine first
The reaction of melamine-formaldehyde resin, melamine and formaldehyde is reversible reaction, separates and melamine is added three times, can make trimerization
Cyanamide is reacted with the free formaldehyde in reaction system, to promote reaction to forward and reverse movement, and then obtains lower free first
The melamine resin of aldehyde reduces harm of the formaldehyde to environment.In addition being added separately to melamine can slow down instead
The progress answered, there is the storage stability using melamine resin.Then again by aluminium polychloride to melamino-formaldehyde
Resin is modified, and aluminium polychloride can play height charge neutrality and bridge linking effect, with melamine resin phase interaction
With enhancing flocculant removes the effect of micro- noxious material and heavy metal ion, reduces flocculant usage, while can also enhance wadding
Solidifying agent stability.Aluminium polychloride modified cyanurotriamide resin can also improve aluminium polychloride, and stability is poor in water, dispensing
The problems such as amount is high, generates the shortcomings of flco is smaller and melamine resin Storage period is short, poorly water-soluble.
Ferrous sulfate can form colloid substance in water, impurity suspended matter that can be in absorption effluent, have good
Flocculating effect, also has a good decoloring ability, heavy-metal ion removal, deoil, dephosphorization, the functions such as sterilization, so that sewage is reached
Better clean-up effect.
Bentonite is nontoxic, it is tasteless, with larger specific surface area, have stronger cation exchange capacity (CEC)；To various gases,
Liquid, organic substance have certain adsorption capacity, can enhance suction-operated of the flocculant to pollutant, reduce flocculant and use
Amount.
The addition of Dry Flo PC and polyvinylpyrrolidone has guarantor to the colloid that flocculant is formed in water
Shield acts on, while can enhance the intermiscibility of flocculant in water, improves the flocculation sediment effect of flocculant.
Itaconic acid copolymer copolymer has efficient deodorization, being capable of ammonia, amine alkalinity malodorant and hydrogen sulfide etc.
Acid malodorant reaction, reduces the foul smell of sewage, plays preferably purification sewage effect, while polymerization of itaconic acid object is with good
Good biodegradability, is conducive to environmental protection.
BK fungicide has the function of quick sterilization, can quickly kill the bacterium in sewage, slow down the speed of bacterial reproduction,
Reduce mine system engineering foul smell.BIT fungicide be a kind of wide spectrum, efficiently, the fungicide of low toxicity, good water solubility, the fungicide energy
The microbial actions such as enough fungi, mould, bacterium and algae effectively inhibited in mine system engineering, promote formula compatibility strong.BK is killed
Microbial inoculum and BIT fungicide are used in combination, and the effect to mine system engineering quick sterilization and long-acting bacteriostatic can be played, to the net of sewage
Change is played the role of prodigious.
The present invention has following good result：
1. the flocculant of the present invention can use within the scope of very wide pH, temperature and dissolved oxygen amount need not be adjusted, it can be to mine
Mountain sewage reaches good clean-up effect, adding less.
It can play the role of sterilization, deodorization, decoloration when 2. the flocculant of the present invention is while mine system engineering purifying, wad a quilt with cotton
Solidifying agent is biodegradable or recycles, and will not cause secondary pollution.
3. the mine system engineering flocculant COD that the present invention is prepared is 20.9 ~ 23.5mg/L, COD removal rates >=98%, BOD
For 5.8 ~ 7.1mg/L, BOD removal rate >=98%, heavy metal ion content is 0.87 ~ 1.09%, removal of heavy metal ions rate >=
98%, suspension content is 2.6 ~ 3.2mg/L, and fecal coliform group's number is 30 ~ 36MPN/L, and the flocculant properties are good, energy
The harmful substance in mine system engineering is enough effectively removed, it is highly practical.
Specific implementation mode
A kind of mine system engineering flocculant of the description present invention and preparation method thereof with reference to embodiments, these descriptions are not
The content of present invention is further limited.
Embodiment 1
50 ~ 60 parts of melamines are divided into 3 parts, first part of melamine parts by weight is 20 parts, second part of melamine weight
Number is 18 parts, and third part melamine parts by weight are 18 parts；
The preparation of modified cyanurotriamide：6 parts of formaldehyde and 28 parts of ethylene glycol are added in three-necked flask, pH is adjusted with triethanolamine
To 8, then 20 parts of melamines are first added to 64 DEG C in warming while stirring, be warming up to 80 DEG C, react 37min, add 18 parts
Melamine continues to react, and reacts 60min, adds 18 parts of melamines, when isothermal reaction to water number is 3.0, is added
10% caprolactam reacts 8min, is cooled to 62 DEG C, is slowly added to 5%H2O2, and continue to adjust pH value to 8 with triethanolamine；It waits for
The reaction was complete by H2O2（Bubble-free generates i.e. in reaction solution）When, stop reaction, be cooled to 40 DEG C, 45 parts are added into reaction solution and gathers
Aluminium chloride is closed, reaction is stirred, up to modified cyanurotriamide after drying followed by aging；
Hybrid reaction：Take 20 parts of butyl xanthates, 50 parts of modified cyanurotriamides, 30 parts of ferrous sulfate, 24 parts of bentonites, 10 parts of octenes
Base butanedioic acid aluminium starch, 18 parts of polyvinylpyrrolidones, 12 parts of itaconic acid copolymers are added in 100 parts of deionized waters, mixing
It stirs evenly, mixing speed 250r/min, fungicide is added after being spray-dried and is uniformly mixed and flocculates up to mine system engineering
Agent.
Embodiment 2
50 ~ 60 parts of melamines are divided into 3 parts, first part of melamine parts by weight is 19 parts, second part of melamine weight
Number is 20 parts, and third part melamine parts by weight are 20 parts；
The preparation of modified cyanurotriamide：5 parts of formaldehyde and 30 parts of ethylene glycol are added in three-necked flask, pH is adjusted with triethanolamine
To 8, then 19 parts of melamines are first added to 63 DEG C in warming while stirring, be warming up to 75 DEG C, react 35min, add 20 parts
Melamine continues to react, and reacts 70min, adds 20 parts of melamines, when isothermal reaction to water number is 3.0, is added
10% caprolactam reacts 10min, is cooled to 65 DEG C, is slowly added to 5%H2O2, and continues to adjust pH value to 8 with triethanolamine；
Waiting for H2O2, the reaction was complete（Bubble-free generates i.e. in reaction solution）When, stop reaction, be cooled to 40 DEG C, 50 parts are added into reaction solution
Aluminium polychloride is stirred reaction, up to modified cyanurotriamide after drying followed by aging；
Hybrid reaction：Take 25 parts of butyl xanthates, 58 parts of modified cyanurotriamides, 32 parts of ferrous sulfate, 21 parts of bentonites, 14 parts of octenes
Base butanedioic acid aluminium starch, 15 parts of polyvinylpyrrolidones, 15 parts of itaconic acid copolymers are added in 120 parts of deionized waters, mixing
It stirs evenly, mixing speed 280r/min, fungicide is added after being spray-dried and is uniformly mixed and flocculates up to mine system engineering
Agent.
Embodiment 3
50 ~ 60 parts of melamines are divided into 3 parts, first part of melamine parts by weight is 20 parts, second part of melamine weight
Number is 18 parts, and third part melamine parts by weight are 20 parts；
The preparation of modified cyanurotriamide：5.5 parts of formaldehyde and 20 parts of ethylene glycol are added in three-necked flask, are adjusted with triethanolamine
Then pH to 8, warming while stirring are first added 20 parts of melamines to 65 DEG C, are warming up to 76 DEG C, react 40min, add 18
Part melamine, continues to react, and reacts 65min, adds 20 parts of melamines and adds when isothermal reaction to water number is 3.0
Enter 10% caprolactam, react 9min, be cooled to 63 DEG C, be slowly added to 5%H2O2, and continues to adjust pH value to 8 with triethanolamine；
Waiting for H2O2, the reaction was complete（Bubble-free generates i.e. in reaction solution）When, stop reaction, be cooled to 40 DEG C, 48 parts are added into reaction solution
Aluminium polychloride is stirred reaction, up to modified cyanurotriamide after drying followed by aging；
Hybrid reaction：Take 30 parts of butyl xanthates, 60 parts of modified cyanurotriamides, 25 parts of ferrous sulfate, 23 parts of bentonites, 15 parts of octenes
Base butanedioic acid aluminium starch, 17 parts of polyvinylpyrrolidones, 10 parts of itaconic acid copolymers are added in 150 parts of deionized waters, mixing
It stirs evenly, mixing speed 300r/min, fungicide is added after being spray-dried and is uniformly mixed and flocculates up to mine system engineering
Agent.
Embodiment 4
50 ~ 60 parts of melamines are divided into 3 parts, first part of melamine parts by weight is 18 parts, second part of melamine weight
Number is 20 parts, and third part melamine parts by weight are 18 parts；
The preparation of modified cyanurotriamide：5.2 parts of formaldehyde and 25 parts of ethylene glycol are added in three-necked flask, are adjusted with triethanolamine
Then pH to 8, warming while stirring are first added 18 parts of melamines to 60 DEG C, are warming up to 77 DEG C, react 38min, add 20
Part melamine, continues to react, and reacts 63min, adds 18 parts of melamines and adds when isothermal reaction to water number is 3.0
Enter 10% caprolactam, react 8.5min, be cooled to 60 DEG C, be slowly added to 5%H2O2, and continue with triethanolamine adjust pH value to
8；Waiting for H2O2, the reaction was complete（Bubble-free generates i.e. in reaction solution）When, stop reaction, is cooled to 40 DEG C, 49 are added into reaction solution
Part aluminium polychloride, is stirred reaction, up to modified cyanurotriamide after drying followed by aging；
Hybrid reaction：Take 28 parts of butyl xanthates, 52 parts of modified cyanurotriamides, 28 parts of ferrous sulfate, 20 parts of bentonites, 12 parts of octenes
Base butanedioic acid aluminium starch, 12 parts of polyvinylpyrrolidones, 13 parts of itaconic acid copolymers are added in 140 parts of deionized waters, mixing
It stirs evenly, mixing speed 230r/min, fungicide is added after being spray-dried and is uniformly mixed and flocculates up to mine system engineering
Agent.
Embodiment 5
50 ~ 60 parts of melamines are divided into 3 parts, first part of melamine parts by weight is 18 parts, second part of melamine weight
Number is 19 parts, and third part melamine parts by weight are 19 parts；
The preparation of modified cyanurotriamide：5.8 parts of formaldehyde and 22 parts of ethylene glycol are added in three-necked flask, are adjusted with triethanolamine
Then pH to 8, warming while stirring are first added 18 parts of melamines to 61 DEG C, are warming up to 78 DEG C, react 36min, add 19
Part melamine, continues to react, and reacts 68min, adds 19 parts of melamines and adds when isothermal reaction to water number is 3.0
Enter 10% caprolactam, react 9.5min, be cooled to 64 DEG C, be slowly added to 5%H2O2, and continue with triethanolamine adjust pH value to
8；Waiting for H2O2, the reaction was complete（Bubble-free generates i.e. in reaction solution）When, stop reaction, is cooled to 40 DEG C, 47 are added into reaction solution
Part aluminium polychloride, is stirred reaction, up to modified cyanurotriamide after drying followed by aging；
Hybrid reaction：Take 23 parts of butyl xanthates, 55 parts of modified cyanurotriamides, 35 parts of ferrous sulfate, 25 parts of bentonites, 13 parts of octenes
Base butanedioic acid aluminium starch, 14 parts of polyvinylpyrrolidones, 16 parts of itaconic acid copolymers are added in 130 parts of deionized waters, mixing
It stirs evenly, mixing speed 200r/min, fungicide is added after being spray-dried and is uniformly mixed and flocculates up to mine system engineering
Agent.
The flocculant that the embodiment of the present invention is prepared is pair for mine system engineering processing, and with commercially available flocculant
Product carry out properties of product test in the same old way, and the performance test results are as shown in table 1 below.
1 flocculant product performance of table
The above embodiment of the present invention scheme is only the description of the invention and cannot limit the present invention, this is indicated in claim
The range of invention product form ingredient, component ratio, preparation method parameter, and above-mentioned explanation does not point out parameter of the present invention
Range, therefore, any change within the meaning and scope equivalent to the claims of the present invention, be all considered to be including
In the range of claims.
The present invention is and to pass through creative work by multidigit mine system engineering treatment technology personnel's long-term work experience accumulation
It creates.The mine system engineering flocculant properties of the present invention are good, can effectively remove the harmful substance in mine system engineering, make
Sewage can be utilized effectively after treatment, reduce environmental pollution, disclosure satisfy that industry requirement, before having preferable application
Scape.
Claims (2)
1. a kind of mine system engineering flocculant, characterized in that each constituent of the flocculant and its weight part ratio are：20 ~ 30 parts
Butyl xanthate, 50 ~ 60 parts of melamines, 25 ~ 35 parts of ferrous sulfate, 20 ~ 25 parts of bentonites, 10 ~ 15 parts of ocentyl succinic aluminium
Starch, 12 ~ 18 parts of polyvinylpyrrolidones, 10 ~ 16 parts of itaconic acid copolymers, 8 ~ 10 parts of fungicide, 100 ~ 150 parts of deionizations
Water；
The fungicide is BK fungicide, BIT fungicide according to 1:1 ratio volume mixes.
2. a kind of method preparing mine system engineering flocculant as described in claim 1, characterized in that preparation method step packet
It includes：
The preparation of step 1) modified cyanurotriamide：50 ~ 60 parts of melamines are divided into the trimerization that 3 parts of parts by weight are 18 ~ 20 parts
Cyanamide；Then 5 ~ 6 parts of formaldehyde and 20 ~ 30 parts of ethylene glycol are added in three-necked flask, pH is adjusted to 8, while stirring with triethanolamine
It mixes side and is warming up to 60 ~ 65 DEG C, 18 ~ 20 parts of melamines are then first added, be warming up to 75 ~ 80 DEG C, react 35 ~ 40min, add
18 ~ 20 parts of melamines, continue to react, and react 60 ~ 70min, add 18 ~ 20 parts of melamines, isothermal reaction to water
When number is 3.0,10% caprolactam is added, reacts 8 ~ 10min, is cooled to 60 ~ 65 DEG C, is slowly added to 5%H2O2, and continue with three
Ethanol amine adjusts pH value to 8；Wait for H2O2The reaction was complete（Bubble-free generates i.e. in reaction solution）When, stop reaction, be cooled to 40 DEG C,
45 ~ 50 parts of aluminium polychlorides are added into reaction solution, are stirred reaction, up to modified cyanurotriamide after drying followed by aging；
Step 2) hybrid reaction：Take 20 ~ 30 parts of butyl xanthates, modified cyanurotriamide, 25 ~ 35 parts of ferrous sulfate, 20 ~ 25 parts of swellings
Soil, 10 ~ 15 parts of Dry Flo PCs, 12 ~ 18 parts of polyvinylpyrrolidones, 10 ~ 16 parts of itaconic acid copolymers are added to
It in 100 ~ 150 parts of deionized waters, is mixed evenly, mixing speed is 200 ~ 300r/min, is added and kills after being spray-dried
Microbial inoculum is uniformly mixed up to mine system engineering flocculant.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109970264A (en) * | 2019-03-08 | 2019-07-05 | 中核通辽铀业有限责任公司 | A kind of In-situ Leaching Uranium Mine evaporation tank odorant pollutant control method |
| CN110681371A (en) * | 2019-09-26 | 2020-01-14 | 浙江海洋大学 | Preparation method of natural adsorbent for removing heavy metal ions |
| CN111039375A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for mine beneficiation wastewater treatment and preparation method and application thereof |
| CN111807489A (en) * | 2020-08-06 | 2020-10-23 | 中科乐美环保科技有限公司 | Composite flocculant for urban sewage treatment and use method thereof |
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| CN110681371A (en) * | 2019-09-26 | 2020-01-14 | 浙江海洋大学 | Preparation method of natural adsorbent for removing heavy metal ions |
| CN111039375A (en) * | 2019-12-23 | 2020-04-21 | 中冶京诚工程技术有限公司 | Flocculating agent for mine beneficiation wastewater treatment and preparation method and application thereof |
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